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<?
define('INSTALLDIR', dirname(__FILE__));
function main()
{
if (!checkPrereqs())
{
return;
}
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
handlePost();
} else {
showForm();
}
}
function checkPrereqs()
{
if (file_exists(INSTALLDIR.'/config.php')) {
?><p class="error">Config file "config.php" already exists.</p>
<?
return false;
}
if (version_compare(PHP_VERSION, '5.0.0', '<')) {
?><p class="error">Require PHP version 5 or greater.</p><?
return false;
}
$reqs = array('gd', 'mysql', 'curl',
'xmlwriter', 'mbstring',
'gettext');
foreach ($reqs as $req) {
if (!checkExtension($req)) {
?><p class="error">Cannot load required extension "<?= $req ?>".</p><?
return false;
}
}
if (!is_writable(INSTALLDIR)) {
?><p class="error">Cannot write config file to "<?= INSTALLDIR ?>".</p>
<p>On your server, try this command:</p>
<blockquote>chmod a+w <?= INSTALLDIR ?></blockquote>
<?
return false;
}
if (!is_writable(INSTALLDIR.'/avatar/')) {
?><p class="error">Cannot write avatar directory "<?= INSTALLDIR ?>/avatar/".</p>
<p>On your server, try this command:</p>
<blockquote>chmod a+w <?= INSTALLDIR ?>/avatar/</blockquote>
<?
return false;
}
return true;
}
function checkExtension($name)
{
if (!extension_loaded($name)) {
if (!dl($name.'.so')) {
return false;
}
}
return true;
}
function showForm()
{
?>
<p>Enter your database connection information below to initialize the database.</p>
<form method='post' action='install.php'>
<fieldset>
<ul class='form_data'>
<li>
<label for='sitename'>Site name</label>
<input type='text' id='sitename' name='sitename' />
<p>The name of your site</p>
</li>
<li>
<li>
<label for='host'>Hostname</label>
<input type='text' id='host' name='host' />
<p>Database hostname</p>
</li>
<li>
<label for='host'>Database</label>
<input type='text' id='database' name='database' />
<p>Database name</p>
</li>
<li>
<label for='username'>Username</label>
<input type='text' id='username' name='username' />
<p>Database username</p>
</li>
<li>
<label for='password'>Password</label>
<input type='password' id='password' name='password' />
<p>Database password</p>
</li>
</ul>
<input type='submit' name='submit' value='Submit'>
</fieldset>
</form>
<?
}
function updateStatus($status, $error=false)
{
?>
<li>
<?
print $status;
?>
</li>
<?
}
function handlePost()
{
?>
<ul>
<?
$host = $_POST['host'];
$database = $_POST['database'];
$username = $_POST['username'];
$password = $_POST['password'];
$sitename = $_POST['sitename'];
updateStatus("Starting installation...");
updateStatus("Checking database...");
$conn = mysql_connect($host, $username, $password);
if (!$conn) {
updateStatus("Can't connect to server '$host' as '$username'.", true);
showForm();
return;
}
updateStatus("Changing to database...");
$res = mysql_select_db($database, $conn);
if (!$res) {
updateStatus("Can't change to database.", true);
showForm();
return;
}
updateStatus("Running database script...");
$res = runDbScript(INSTALLDIR.'/db/laconica.sql', $conn);
if ($res === false) {
updateStatus("Can't run database script.", true);
showForm();
return;
}
updateStatus("Adding SMS carrier data to database...");
$res = runDbScript(INSTALLDIR.'/db/sms_carrier.sql', $conn);
if ($res === false) {
updateStatus("Can't run SMS carrier script.", true);
showForm();
return;
}
updateStatus("Writing config file...");
$sqlUrl = "mysqli://$username:$password@$host/$database";
$res = writeConf($sitename, $sqlUrl);
if (!$res) {
updateStatus("Can't write config file.", true);
showForm();
return;
}
updateStatus("Done!");
?>
</ul>
<?
}
function writeConf($sitename, $sqlUrl)
{
$res = file_put_contents(INSTALLDIR.'/config.php',
"<?\n".
"\$config['site']['name'] = \"$sitename\";\n\n".
"\$config['db']['database'] = \"$sqlUrl\";\n\n");
return $res;
}
function runDbScript($filename, $conn)
{
$sql = trim(file_get_contents($filename));
$stmts = explode(';', $sql);
foreach ($stmts as $stmt) {
$stmt = trim($stmt);
if (!mb_strlen($stmt)) {
continue;
}
$res = mysql_query($stmt, $conn);
if ($res === false) {
return $res;
}
}
return true;
}
?>
<html>
<head>
<title>Install Laconica</title>
<link rel="stylesheet" type="text/css" href="theme/base/css/display.css?version=0.7.1" media="screen, projection, tv"/>
<link rel="stylesheet" type="text/css" href="theme/base/css/modal.css?version=0.7.1" media="screen, projection, tv"/>
<link rel="stylesheet" type="text/css" href="theme/default/css/display.css?version=0.7.1" media="screen, projection, tv"/>
</head>
<body>
<div id="wrap">
<div id="core">
<div id="content">
<h1>Install Laconica</h1>
<? main() ?>
</div>
</div>
</div>
</body>
</html>
|
